'93 740i Wiper problem - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 08-16-2008, 11:36 AM
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'93 740i Wiper problem

I just purchase my 93 740i with 111000 miles on it. In looking at past records the wipers were only working on fast speed at 104000 miles. The shop replace the motor without success, so they replace the "General Control Module", which seemed to fix the problem. Now I am having a similar problem. When they work on intermittent, they stop are various locations. After awhile they quit working on intermittent and the slower speed and will only work on fast. Some times the single wipe works but it rarely corrects in the down position. The only way to park the wipers is to run in on high and time when you shut them off. Is there also a relay in the relay box under the hood that would affect this?
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#2 (permalink) Old 08-16-2008, 09:44 PM
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Originally Posted by jlfulton51 View Post
I just purchase my 93 740i with 111000 miles on it. In looking at past records the wipers were only working on fast speed at 104000 miles. The shop replace the motor without success, so they replace the "General Control Module", which seemed to fix the problem. Now I am having a similar problem. When they work on intermittent, they stop are various locations. After awhile they quit working on intermittent and the slower speed and will only work on fast. Some times the single wipe works but it rarely corrects in the down position. The only way to park the wipers is to run in on high and time when you shut them off. Is there also a relay in the relay box under the hood that would affect this?
it can only be the general module or the wiper switch assembly itself that is at fault. there is a relay under the hood but given the problems you have, the relay is not at fault.
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#3 (permalink) Old 08-17-2008, 02:04 AM
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740i wiper problem

Thanks for the response. That helps me narrow this down. The one that was recently put in was a used one, so I suspect that may be the problem again.
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